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Renowned for decades by top engineers as the quintessential box for larger-than-life drum sounds! The ADR Compex F760X-RS may be the best compressor/limiter available for drum room mics and drum bus duties and is also highly sought-after for the character and punch it adds to guitars along with a myriad of other sources... And now it can be yours!
Functionally, the new Compex has all the same features and settings as the original unit, employing the same super-flexible FET-based compression, limiting and gating. Switchable threshold, compression ratio, and attack/release times are available with all the same settings and a stereo link switch is provided for linking the two channels together for operation in stereo. An all-new external side-chain insert has been added to the new Compex, letting you feed the detector circuit of the compressor with an independent sound source. The side-chain insert can be set to control the gate circuit, instead, by simply switching over an internal jumper. The limit section has a switchable 50us "pre-emphasis" setting in addition to the normal “on” position. Pre-emphasis was originally used for limiting high frequencies to prevent over-modulation during broadcast use. Pre-emphasis boosts the high frequencies entering the limiter side-chain, acting as a de-esser causing limiting action on sibilant high frequencies. The compressor side-chain insert is useful for adding an EQ to the side-chain audio signal to create "vocal stresser" type frequency-dependent compression effects or inserting another audio source for “ducking".
Improving upon some of the components and build-quality concerns of the original Compex, a high-quality meter has been employed (replacing the discontinued Sifam™ Director 14 meter) and the original “ABC” cards have been combined to a single PCB to allow for more efficient manufacturing. Also, some slight alterations have been made to the calibration functions to help the unit maintain calibration over a longer period of time. The original potentiometers were an open frame design which became noisy as time wore on, the re-issue has sealed conductive plastic potentiometers to improve the usable life-span.
With a wide range of features and functions, the new ADR Compex by Q2 Audio can meet the needs of any dynamic-processing task, adding a character and flavor all its own. Those familiar with the original Compex will be pleased to see how faithfully recreated this reincarnate really is, with a few enhancements and updates to make one of the best compressor/limiters just that much better.
• Classic FET based compression/peak limiting/gating, all available individually
• Switchable compression ratios - 1:1, 2:1, 3:1, 5:1, 10:1, 20:1
• Switchable compression threshold in 2dB steps
• Switchable attack times - 250µs, 2.5ms, 25ms
• Switchable release times ranging from 25ms to 3.2s plus "auto" setting
• Peak limiting (100:1) with switchable 50µs pre-emphasis setting (useful for de-essing)
• Expander/gate with 20dB of noise reduction
• Compressor side-chain insert (can be internally modded to control the gate, instead)
• Stereo linkable
• Swiss-made ELMA rotary switches
• Conductive plastic potentiometers